CONTENTS 



Pace 



Introduction 1 



Summary and conclusions 2 



Zoogeographical considerations 3 



Order Passeriformbs 15 



Family Alaudidae 15 



Mirafra caatillans marginata 15 



Mirafra pulpa 17 



Mirafra albicauda 17 



Mirafra Candida 19 



Mirafra hypermetra gallarum 19 



Mirafra africana athi 21 



Mirafra fischeri fischeri 22 



Mirafra fischeri degeni 23 



Mirafra africanoides intercedens 24 



Mirafra poecilosterna poecilosterna 25 



Alaemon alaudipes desertorum 28 



Galerida cristata somaliensis 29 



Galerida theklae praetermissa 30 



Eremopteryx leucotis leucotis 32 



Eremopteryx nigriceps melanauchen 34 



Eremopteryx signata 35 



Tephrocorys cinerea erlangeri 38 



Family Hirundinidae "^0 



Hirundo rustica rustica - 40 



Hirundo lucida rothschildi 42 



Hirundo aethiopica 43 



Hirundo smithii smithii 44 



Hirundo rufula melanocrissa 45 



Hirundo rufula emini 47 



Hirundo senegalensis senegalensis 48 



Hirundo abyssinica abyssinica ^" 



Riparia riparia riparia ^^ 



Riparia paludicola minor ^3 



Ptyonoprogne rufigula rufigula ^4 



Psalidoprocne holomelaena massaica ^^ 



Psalidoprocne antinorii ^" 



Family Campephagidae ^' 



Campephaga flava fiava ^' 



Campephaga phoenicea ^° 



Graucalus caesia pura "" 



Family Dicruridae ° 



Dicrurus adsimilis divaricatus "* 



ni 



